20187978669

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1$

素因数の和:1091

約数の個数: 96

約数和(自身を含む): 33063863040

約数和(自身を除く): 12875884371

約数列:

[1, 3, 9, 17, 23, 51, 69, 73, 89, 153, 207, 219, 267, 391, 657, 801, 883, 1173, 1241, 1513, 1679, 2047, 2649, 3519, 3723, 4539, 5037, 6141, 6497, 7947, 11169, 13617, 15011, 15111, 18423, 19491, 20309, 28543, 34799, 45033, 58473, 60927, 64459, 78587, 85629, 104397, 110449, 135099, 149431, 182781, 193377, 235761, 256887, 313191, 331347, 345253, 448293, 580131, 707283, 994041, 1035759, 1095803, 1335979, 1344879, 1482557, 1807501, 2540327, 3107277, 3287409, 4007937, 4447671, 5422503, 5736851, 7620981, 9862227, 12023811, 13343013, 16267509, 17210553, 22862943, 25203469, 30727517, 51631659, 75610407, 92182551, 97526467, 131947573, 226831221, 276547653, 292579401, 395842719, 877738203, 1187528157, 2243108741, 6729326223, 20187978669]

約数ペア:

[(1, 20187978669), (3, 6729326223), (9, 2243108741), (17, 1187528157), (23, 877738203), (51, 395842719), (69, 292579401), (73, 276547653), (89, 226831221), (153, 131947573), (207, 97526467), (219, 92182551), (267, 75610407), (391, 51631659), (657, 30727517), (801, 25203469), (883, 22862943), (1173, 17210553), (1241, 16267509), (1513, 13343013), (1679, 12023811), (2047, 9862227), (2649, 7620981), (3519, 5736851), (3723, 5422503), (4539, 4447671), (5037, 4007937), (6141, 3287409), (6497, 3107277), (7947, 2540327), (11169, 1807501), (13617, 1482557), (15011, 1344879), (15111, 1335979), (18423, 1095803), (19491, 1035759), (20309, 994041), (28543, 707283), (34799, 580131), (45033, 448293), (58473, 345253), (60927, 331347), (64459, 313191), (78587, 256887), (85629, 235761), (104397, 193377), (110449, 182781), (135099, 149431)]